<!DOCTYPE html>
<html lang="en">

<head>
	<meta charset="UTF-8">
	<title>Document</title>
	<style>
		* {
			list-style: none;
		}

		#box {
			width: 400px;
			height: 400px;
			background: #eee;
		}
	</style>

</head>

<body>

	<div id="box">

	</div>

	<ul>
		<li><input type="checkbox"><label for="">上海</label></li>
		<li><input type="checkbox"><label for="">北京上地</label></li>
		<li><input type="checkbox"><label for="">北京滨河</label> </li>
		<li><input type="checkbox"><label for="">天津</label></li>
		<li><input type="checkbox"><label for="">宿迁</label> </li>
	</ul>

	<script>
	
	</script>
</body>

</html>